Induction-coil.



s. H. sAuv.

INDUCTION SOIL. AEPLIUATIOH rum) Muss. 1905.

with/mo on 0- 41a; JA WLM;

v PATENTHD JUNE 19, 1906.

STANISLAUS HENRY SAlJVE,

or SPOI1IANE,"WASHINGT0N, ASSIGNOR or FORTY-NINE NEHUNDREDTHS TO JACOB H. ROBBINS. OF SPOKANE.

WASHINGTON.

INDUCTION-COIL.

Specification 11f Letters Patent.

Patented June 19, 1906;

Application filed Hay 23,1}205. Serial Ho. 261,836.

To all whom it may concern:

Be it known that I, STANISLAUS HENRY SAUVI' of S okane, in the county of Spokane and State 0 Washin ton, have invented cer tain new and useful finprovements in Induction-Coils; and I do hereby declare the' following to be a full, clear, and exact descri tion of the invention, such as will enable otliu" ers skilled in the art to which it appertains to make and use the same.

his inventionv has for its object the production of a greater degree of inductive efficiency than is produced by any inductioncoils or inductive agency known to me.

A further object is to rovide-a transmitting power by means of t is improved induction-coil which may be varied and adapted inconnection with the telephone to the distance. to be communicated with without changing the induction-coil or battery power.

y improvement contemplates the empioyment, in addition to an ordinary induc tion-coil, of a tertiary or auxiliary wire, which for descriptive purposes I designate afalse secondary wire. This is wound in the same manner as the other wires and ma be placed with good results in any of the t ree places-that is to say, in the first coil or Winding next to the core, in the middle or second coil or winding, or in the third or outer coil or winding. In other words, the false secondary or tertiary wire is an independent wire, no matter which of these three positions it occupies. The best proportion etween these wires is dependent u on the work to be done, and I fiXIlO particu ar form of induction-coil or transformer to which my idea of a third wire may be applicable, as my invention may be used with ood results in any combination in which in need currents are applied or applicable.

The invention-will be hereinafter fully set forth, and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 represents a longitudinal sectional View of the common or ordinary style of inductioncoil embodying my invention. Fig. 2 is a transverse sectional view. Fig. 3 1s a die.-

ammatic View illustrating 1n invention.

ig. 4 is a similar view'showmg the same emphR/edin connection with a condenser. eferring to the drawings, a designates the usual soft-Iron or annealed wire core 3 b, the

third or false seconda hind, length, or size 0 wires, primary and secondary,

. electronic tive wire; c the primer secon ary"w1re.

wire, and d the usus false secondary or tertiary have shown the 'wire 'as wound around. the cores, the primary wire 0 as coiled around the false secondary, while the outer winding is composed of the usual secondary coil.

do not restrict in self to any particular wire or coil. In prac two I connect the primary wire with the hattery-circuit and the secondary wire with the line-wires, leaving the two ends of the false secondar free and detached; but by connecting the ends of this false secondary wire with a condenser c, Fig. 4, a still greater efiiciency is obtained. This is also true if the wire be connected up with another coil. Indeed, the adaptations of the invention are numerous.

I am aware that use has been'niade of a third wire of iron added to or-connected with either the core, line-wire, battery, or batterywire or other device or mechanism whereby entirely different results have been obtained from that which is produced by my invention. The essential and chief feature of my improvement is in the third or false seconr ary wire, when the coil or the remaining twc are in use, and in the interchan cable use of the three wires of the coil, the %alse' secondar wire always being independent without re erence to the position it occupies, and through this interchangeahility I secure difierent degrees of force or electrovihratory force, accordin to the use desired. This variable use may e accomplished through any known device for switching.

'I do not restrict my invention to any particular form or manner of construction or use. The third or false secondary wire may be wound directly upon the core, may be placed between the usual primary and secondary wires, wound exchangeably first with one and then with the other, or may be placed or wound in any course of a coil or in any other manner wherein or whereby wires are arranged within inductive distances of each other, in any of which cases the use of this third or false secondary'wire in connection therewith will greatiyimprove its induction or electrc motive or vibratory force. Any of the well-known methods for'insulating wires may be used for protecting the wires or coils one from the other, and necessarily they should be so insulated.

In connection with telephones this invention is of very great practical utilit and a great improvement on the present in nationcoils, both as to efliciency in transmitting power as applied to distances reached in the transmission of sound or conversation and also in the distinctness and adjustability or ada tability of the improved induction-coil to tiie particular telep onic use to be made of it.

I claim as my invention 1. In an induction-coil a disconnected wiring forming part thereof for increasing the undulating current and the electromotive force.

2. An induction-coil having a false secondar or tertiary wire disconnected from the other wires of the coil.

3. An induction-coil having, in combination with the primary winding, two separate and distinct secondary windings, one of which is disconnected.

4. An improved induction-coil comprising a plurality of wirings, an independent wiring and means coacting with the latter for in creasing the inductivity of the coil.

5. An induction-coil having a false secondary wire, the extreme ends of which are disconnected.

6. An induction-coil having three separate and distinct wires or coils capable of being used interchangeably, one of the wires having its extreme ends disconnected when of the remaining wires one is connected with the line-wire and the other with the battery.

In testimony whereof I have signed this specification in the presence of two subscribmg Witnesses.

STANISLAUS HENRY SAUVE.

Witnesses:

VERNON E. WEST, FRANCIS S. MAGUIRE. 

